PHOTOVOLTAIC MODULES HAVING A POLYVINYLIDENE FLUORIDE SURFACE
First Claim
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1. A photovoltaic module, comprising a transparent glazing material comprising:
- a) a rigid thermoplastic support layer; and
b) a polyvinylidene fluoride (PVDF) outer layer exposed to the environment; and
attached directly or indirectly to said rigid thermoplastic layer,wherein said rigid thermoplastic layer is selected from the group consisting of polycarbonate, polyester, polyethylene terphthalate. polystyrene, styrene/acrylonitrile copolymer, polyolefins, poly(vinyl chloride), chlorinated poly(vinyl chloride), imidized acrylic polymer, an acrylic polymer, and their copolymers.
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Abstract
The invention relates to a photovoltaic module for capturing and using solar radiation having as a transparent glazing a thermoplastic structural component covered by a thin polyvinylidene fluoride layer The polyvinylidene fluoride layer is exposed to the environment and provides a chemical resistant and dirt shedding surface. The structure may contain a tie layer between the polyvinylidene fluoride layer and the structural thermoplastic to aid in adhesion.
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Citations
11 Claims
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1. A photovoltaic module, comprising a transparent glazing material comprising:
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a) a rigid thermoplastic support layer; and b) a polyvinylidene fluoride (PVDF) outer layer exposed to the environment; and
attached directly or indirectly to said rigid thermoplastic layer,wherein said rigid thermoplastic layer is selected from the group consisting of polycarbonate, polyester, polyethylene terphthalate. polystyrene, styrene/acrylonitrile copolymer, polyolefins, poly(vinyl chloride), chlorinated poly(vinyl chloride), imidized acrylic polymer, an acrylic polymer, and their copolymers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 10, 11)
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9. (canceled)
Specification